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MODEL PAPER 4 — BIOLOGY STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYMODEL PAPER 41 Mark
MCQ
How will you define the lungs?
  • A
    Respiratory Control Centre
  • B
    Pneumotaxic Centre
  • C
    Chemosensitive Centre
  • D
    Respiratory Rhythm Centre
✓

Answer

(d) Respiratory Rhythm Centre
Explanation: The lung is a bag-like structure made up of bronchioles and alveoli. This is the place where the exchange of gases takes place.

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